Air freshener



FIG. 1 is a perspective view of an air freshener showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a perspective view showing the practical usage thereof.

The broken lines depict portions of the air freshener which form no part of the claimed design. 

CLAIM The ornamental design for an “air freshener,” as shown and described. 